- Lead(II)
chromate is an
inorganic compound with the
chemical formula PbCrO4. It is a
bright yellow salt that is very
poorly soluble in water. It occurs...
-
Crocoite is a
mineral consisting of lead chromate,
PbCrO4, and
crystallizing in the
monoclinic crystal system. It is
identical in
composition with the...
- a
basic lead source, additives, and a
sulfate source.
CrO42- + H2SO4+
Pb(Ac)2 • 2Pb(OH)2 →
PbCrO4+Pb2CrO5 at a pH of
approximately seven is the synthesis...
-
directly from the liquor.
Chromate containing minerals are rare. Crocoite,
PbCrO4,
which can
occur as
spectacular long red crystals, is the most commonly...
-
pigment chrome red,
which is
simply lead
chromate with lead(II)
hydroxide (
PbCrO4·
Pb(OH)2). A very
important chromate pigment,
which was used
widely in metal...
- Pb2+: Pb2+ + 2 KI →
PbI2 + 2 K+ Pb2+ + K2Cr
O4 →
PbCrO4 + 2 K+
Confirmation test for Ag+: Ag+ + KI → AgI + K+ 2Ag+ + K2Cr
O4 → Ag2Cr
O4 + 2 K+ Confirmation...
- Zinc chromate, Zn
CrO4, is a
chemical compound, a salt
containing the
chromate anion,
appearing as
odorless yellow powder or yellow-green crystals, but...
-
deposit in the
Urals he
discovered a lead ore with a reddish-orange
mineral (
PbCrO4),
which he
named "Rotbleierz" (red lead ore);
today in
English its name...
-
Structure of β-K2Cr
O4 Coordination sphere of one of two
types of K+ site The
environment about the
tetrahedral CrO42−
center in β-K2Cr
O4 It is
prepared by...
-
Ammonium chromate is a salt with the
formula (NH4)2Cr
O4. It
forms yellow,
monoclinic crystals; made from
ammonium hydroxide and
ammonium dichromate; used...